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Envisat Calibration Review

9-13 September 2002
ESTEC, Noordwijk, The Netherlands

The European Space Agency (ESA) organised a meeting at ESTEC to review the results of the calibration of its environmental satellite Envisat. The subjects of the review were:

In-flight calibration of the instruments
Verification of level 1b data processing (engineering parameters)
Verification of consistency of level 2 data processing (geophysical parameters)
Preliminary assessment of geophysical data quality of the level 2 data products

At the Envisat Calibration Review (ECR) the results of the instrument calibration activities were presented to representatives of ESA's Member States, to Envisat project participants and to the Envisat user community. The meeting started with a plenary introductory session, followed by instrument specific parallel sessions. At the end, conclusions and recommendations were formulated at a plenary session.

The Proceedings of the Envisat Calibration Review were published in November 2002 as Special Publication SP-520, and have been made available below.

Proceedings of the Envisat Calibration Review

Special Publication SP-520
November 2002
Organising Committee
E. Attema, G. Levrini, N. Koppelman-Lokas and G. Elfering
Published by:
ESA Publications Division
ESTEC
Postbus 299
2200 AG Noordwijk
The Netherlands

Editor:
Huguette Sawaya-Lacoste
ISSN: 1609-042X
ISBN: 92-9092-830-1
Copyright: European Space Agency, 2002

Introduction

Introductory Session
M.-C. Robinson

Session on ASAR

Chair: M. Zink

Introduction to the ASAR Calibration/Validation Project
  M. Zink

ASAR Instrument Stability
  R. Torres

ASAR Instrument Gain Setting
  M. Zink

ASAR Instrument Gain Monitoring
  C. Buck

ASAR External Characterisation
  M. Zink and H. Jackson

Antenna Elevation Pattern Estimation from Rain Forest Acquisitions
  M. Zink and B. Rosich

Pattern Synthesis from Calibration Mode Measurements
  R. Torres

ASAR External Calibration
  C. Buck

Preliminary Doppler Analysis on ASAR Products
  B. Rosich

Internal Calibration Processing and Processor Normalization
  J. Closa

ASAR Level 0 Product Analysis for Image, Wide-Swath and Wave Mode
  B. Schättler

ASAR IMS and WVI Products Quality (VV Polarisation)
  B. Rosich

ASAR IMP Image Quality (VV Polarisation)
  P. Meadows and P. Wright

ASAR Wide-Swath Mode: System and Processing Optimization
  C. Cafforio, P. Guccione and A. Monti Guarnieri

ASAR Level 1 Geolocation
  D. Small, D. Kosmann, J. Holzner,
  H. Raggam, M. Pirri, A. Schubert, U. Kruettli,
  W. Hummelbrunner and M. Franke

Image Mode and Wide-Swath Mode Browse Products: Image Quality and Radiometric Performance
  M. Pirri and R. Viggiano

Preliminary Verification of AP Mode
  P. Pasquali

Verification of Alternating Polarization Products
  R.K. Hawkins, J. Wolfe, J. Princz, T.I. Lukowski, D. Geudtner, K.P. Murnaghan, A. Wind,
  A.L. Gray, P.W. Vachon, R. Touzi, H. McNairn and J. Dobson

First Analysis Of Envisat/ASAR Image Mode Products For Interferometry
  J. Holzner, M. Eineder and B. Schättler

ASAR Wave Mode Calibration and Validation: Milestones and Cal/Val Team Member Activities
  N. Walker and the ASAR Wave Mode Cal/Val Team

The ASAR Wave Mode: Level 1 and 2 Algorithms and Products
  H. Johnsen, B. Chapron, N. Walker and Y.-L. Desnos

Validation of ASAR Wave Mode Level 2 Product
  H. Johnsen, G. Engen, B. Chapron, N. Walker and J. Closa

ASAR Wave Mode First Geophysical Results
  B. Chapron, F. Collard, H. Johnsen and G. Engen

Performance of the Improved Wave Level 1b Product
  F.J. Melger

Session on GOMOS

Chair: O. Fanton d'Andon

GOMOS Instrument Cal/Val Review
  O. Fanton d'Andon, G. Barrot,
  J.-L. Bertaux, F. Dalaudier,
  R. Fraisse, D. Fussen, M. Guirlet,
  A. Hauchecorne, R. Koopman, E. Kyrölä,
  A. Mangin, L. Saavedra, P. Snoeij,
  J. Tammine, B. Théodore, F. Vanhellemont and T. Wehr

Session on MERIS

Chair: S. Delwart

Calibration and Early Results of MERIS on Envisat
S. Delwart, J.-P. Huot, L. Bourg and C. Brockmann

Session on SCIAMACHY

Chair: J. Frerick

SCIAMACHY Operations Support Overview
  M. Gottwald, H. Bovensmann, W. Döhler, E. Herbst,
  E. Krieg, H. Kröger, G. Lichtenberg, P. Lützow-Wentzky,
  R. Mager, T. Nießen, S. Noël and M.W. Wuttke

SCIAMACHY In-Flight Instrument Performance
  H. Bovensmann, B. Ahlers, M. Buchwitz,
  J. Frerick, M. Gottwald, R. Hoogeveen,
  J. Kaiser, Q. Kleipool, E. Krieg,
  G. Lichtenberg, R. Mager, J. Meyer,
  S. Noël, A. Schlesier, C. Sioris,
  J. Skupin, Chr. v. Savigny,
  M. W. Wuttke and J.P. Burrows

SCIAMACHY In-Flight Calibration
  J. Frerick, B. Cozzoni, S. Slijkhuis,
  R. Debeek and J. Skupin

SCIAMACHY on Envisat: Trace Gas Vertical Column Retrieval Using Channel 8 Nadir Measurements - First Preliminary Results
  M. Buchwitz, K. Bramstedt, S. Noël,
  H. Bovensmann and J.P. Burrows

First Verification of SCIAMACHY's Polarisation Measurements
  L.G. Tilstra, M. de Graaf and P. Stammes

Session on RA-2 / MWR / DORIS

Chair: M. Roca and J. Benvéniste

Envisat RA-2: Tracking Performance and Resolution Selection Logic
  S. Laxon and M. Roca

Envisat RA-2: S-BAND Performance
  S. Laxon and M. Roca

Instruments Corrections Applied on RA-2 Level-1B Products
  C. Celani, B. Greco, A. Martini and M. Roca

RA-2 Level 1B Processor Verification
  M. Roca, M.P. Milagro, R. Scharroo,
  S. Laxon, D. Calabrese, B. Greco and S. Baker

In-Flight Calibration/Validation of the Envisat/MWR
  E. Obligis, L. Eymard,
  P. Féménias and J. Benvéniste

DORIS (see presentation)

Session on AATSR

Chair: H. Tait

AATSR Instrument Performance Verification and Optimisation
David L. Smith

Algorithm Verification for AATSR
A. R. Birks

Session on MIPAS

Chair: H. Nett

MIPAS In-Orbit Operation in the SODAP and Cal/Val Mission Phases
  R. Geßner, P. Mosner and E. Schutte

Radiometric Accuracy Assessment of MIPAS on Envisat
  M. Birk and G. Wagner

MIPAS In-Flight Calibration and Processor Verification
  H. Nett, G. Perron, M. Sanchez, A. Burgess and P. Mosner

Spectral Characterisation and Calibration of MIPAS
  A. Burgess and H. Nett

INFLIC: Inflight Characterization and Validation of MIPAS/Envisat Level-1b Data Products
  M. Keifer, G. Mengistu Tsidu, T. v. Clarmann, H. Fischer, U. Grabowski, F. Hase,
  M. Höpfner and G. Stiller

Detection of Cloud Effects in MIPAS Spectral Data and Implications for the
  MIPAS Operational Processor
  J. Remedios and R. Spang

Analysis of MIPAS Measurements with the Level 2 Near Real Time Code
  B. Carli, D. Alpaslan, M. Carlotti, E. Castelli, S. Ceccherini, B. M. Dinelli, A. Dudhia,
  J.-M. Flaud, M. Höpfner, V. Jay, M. López-Puertas, L. Magnani, H. Oelhaf, V. Payne,
  C. Piccolo, M. Prosperi, P. Raspollini, J. Remedios, M. Ridolfi and R. Spang

Analysis of Non-Lte Effects in the MIPAS/Envisat Data
  M. López-Puertas, T. v. Clarmann, A. Dudhia J.-M. Flaud, B. Funke, M. García-Comas,
  S. Gil-López, N. Glatthor, U. Grabowski, V. Jay, M. Kiefer, M.Á. López-Valverde,
  G. Perron, G. Stiller

Closing Session   M.-C. Robinson

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry